![](https://csdnimg.cn/release/download_crawler_static/10280926/bgf.jpg)
A Stopper Node
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We will create a node called !@0--$. that will make the robot move
forward until it detects an obstacle in front of it
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We will use the laser sensor data to achieve this
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Create a new package called my_stage
15
Q&.2&R3.('/1%+4#3#!.&
Q&.('/1%+.!*('*+-/)&9K+#'()*&#'2+9#)#&!"#-K&!"#.--